Black Rock, AR
Full City Profile · Arkansas · Lawrence County County
2.8
/5.0
C+
Fair
790
Population
240/sq mi density
$59,531
Median Income
$28,573 per capita
$68,300
Home Value
$151,205 Zillow
$760
Median Rent
29.3% income on rent
59°F
Avg Temperature
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$59,531 median income, 11.7% unemployment
A+
Affordability
5.0 / 5.0
$68,300 home value, $760/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
F
Education
1.3 / 5.0
4.3% bachelor's degree or higher
Black Rock enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 36°F in January while summers reach 80°F in July. Annual precipitation totals 54.3 inches. The area receives 0.9 inches of snow annually.
Temperature
36°F Jan (2°C)
80°F Jul (27°C)
| Annual Average | 58.9°F |
| 9% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 309 ft (94 m) |
| Area | 3.3 sq mi (8.7 km²) |
| Population Density | 240/sq mi |
| Coordinates | 36.1062°N, 91.1075°W |
| Timezone | America/Chicago |
| County | Lawrence County County |
| Nearest Airport | Walnut Ridge Regional (ARG) 10 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 67.9 / 100 |
| Social Vulnerability | 81.2 / 100 |
| Community Resilience | 26.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1811 | AR: NE - NEW MADRID EARTHQUAKES | Eruption + Earthquake | - | - | 85 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 4.2 in | Coldest |
| February | 40°F (5°C) | 4.2 in | |
| March | 49°F (9°C) | 5.0 in | |
| April | 59°F (15°C) | 5.6 in | Wettest |
| May | 68°F (20°C) | 5.5 in | |
| June | 77°F (25°C) | 3.6 in | Driest |
| July | 80°F (27°C) | 4.4 in | Warmest |
| August | 78°F (26°C) | 4.2 in | |
| September | 71°F (22°C) | 3.9 in | |
| October | 60°F (16°C) | 4.1 in | |
| November | 48°F (9°C) | 5.1 in | |
| December | 40°F (4°C) | 4.7 in |
Black Rock has a seasonal temperature swing of 44°F / from 36°F in January to 80°F in July. Total annual precipitation is 54.3 inches, with April being the wettest month (5.6") and June the driest (3.6").